DE2921171C2 - Procedure for renovating the masonry of coking ovens - Google Patents
Procedure for renovating the masonry of coking ovensInfo
- Publication number
- DE2921171C2 DE2921171C2 DE2921171A DE2921171A DE2921171C2 DE 2921171 C2 DE2921171 C2 DE 2921171C2 DE 2921171 A DE2921171 A DE 2921171A DE 2921171 A DE2921171 A DE 2921171A DE 2921171 C2 DE2921171 C2 DE 2921171C2
- Authority
- DE
- Germany
- Prior art keywords
- masonry
- runner
- stones
- heating
- wall
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 238000000034 method Methods 0.000 title claims description 8
- 238000004939 coking Methods 0.000 title claims description 4
- 239000004575 stone Substances 0.000 claims description 33
- 238000010438 heat treatment Methods 0.000 claims description 29
- 206010022000 influenza Diseases 0.000 claims description 11
- 239000011230 binding agent Substances 0.000 description 5
- 230000008439 repair process Effects 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000004570 mortar (masonry) Substances 0.000 description 2
- 239000004568 cement Substances 0.000 description 1
- 239000000571 coke Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000012447 hatching Effects 0.000 description 1
- 238000003303 reheating Methods 0.000 description 1
- 238000009418 renovation Methods 0.000 description 1
- 230000009528 severe injury Effects 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B29/00—Other details of coke ovens
- C10B29/06—Preventing or repairing leakages of the brickwork
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49718—Repairing
- Y10T29/49721—Repairing with disassembling
- Y10T29/4973—Replacing of defective part
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49718—Repairing
- Y10T29/49732—Repairing by attaching repair preform, e.g., remaking, restoring, or patching
- Y10T29/49734—Repairing by attaching repair preform, e.g., remaking, restoring, or patching and removing damaged material
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Furnace Housings, Linings, Walls, And Ceilings (AREA)
- Retaining Walls (AREA)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
Description
2525th
Die Erfindung betrifft ein Verfahren zur Erneuerung des Mauerwerks nahe der Ofenköpfe liegender senkrechter Heizzüge waagerechter Verkokungsöfen.The invention relates to a method for renewing the masonry near the furnace heads lying perpendicular Heating flues from horizontal coking ovens.
Bei den in der Nähe der Ofenköpfe liegenden Heizzügen waagerechter Verkokungsöfen treten vielfach stärkere Zerstörungen im Mauerwerk der die Ofenkammern und Heizzüge trennenden Wände (Läuferwände) und der die Heizzüge voneinandei trennenden Wände (Binderwände) auf als im mittleren Teil der Heizwände. Man bessert daher zuweilen nur das Mauerwerk der nahe dem Ofenkopf liegenden Heizwände bis einschließlich des zweiten, dritten oder vierten Heizzuges aus. Man läßt dabei die nach der Mitte zu liegenden Heizzüge auf einer Temperatur, die so hoch ist, daß eine Zündung des in geringerer Menge zugeführten Gases gewährleistet ist, damit im Gefüge der das Mauerwerk bildenden Steine keine wesentlichen Änderungen eintreten. Durch senkrechte Wände, sogenannte Spiegel, sperrt man die inneren Teile der Ofenkammern ab, dabei kann der Koks vorher entfernt, er kann aber auch unter gewissen Umständen darin belassen werden. Die Ofendecke oberhalb der zu erneuernden Teile wird abgefangen, die Ofensohle und der Regeneratorunterbau sowie die Gaszuführungen bleiben bestehen, auch wenn dieses durch unterhalb der Heizzugsohlen liegende Kanäle erfolgt. Durch diese Gaszuführungen findet weiterhin eine Zufuhr von Gas zu den Zügen des mittleren Teiles der Heizwand statt, während die Zufuhr des Gases bei den zu erneuernden Kopfheizzügen durch in die Gaszuführung eingesetzte Rohre abgesperrt wird.With the heating flues located near the furnace heads Horizontal coking ovens often cause more severe damage to the masonry of the oven chambers and heating flues separating walls (rotor walls) and the walls separating the heating flues from one another (Binder walls) than in the middle part of the heating walls. Therefore one sometimes only improves the masonry of the heating walls located near the furnace head up to and including the second, third or fourth heating pass the end. One leaves the heating flues lying to the middle at a temperature which is so high that one Ignition of the gas supplied in a smaller amount is guaranteed, so that in the structure of the masonry forming stones no significant changes occur. Through vertical walls, so-called mirrors, the inner parts of the furnace chambers are blocked off, the coke can be removed beforehand, but it can also be left in it under certain circumstances. The furnace roof above the parts to be replaced is supported, the furnace base and the regenerator substructure as well as the gas supply remain in place, even if this takes place through channels located below the heating draft soles. Through this gas supply continues to take place a supply of gas to the puffs of the central part of the heating wall takes place while the supply of the gas in the case of the overhead heaters to be renewed, it is shut off by pipes inserted in the gas supply.
Die Aufgabe, die sich bei der Erneuerung des Mauerwerks der Kopfheizzüge stellt, ist nun die, nach dem Aufheizen des neu errichteten Mauerwerks einen gasdichten Abschluß zwischen dem auf höherer Temperatür verbliebenen, stehengebliebenen Mauerwerk und dem bei der Erneuerung aufgebauten Teil aus Steinen zu schaffen, die erst allmählich aufgeheizt werden und daher in der üblichen Weise sich dehnen und wachsen.The task that arises when replacing the masonry of the head heating flues is now the one after the Heating up the newly built masonry creates a gas-tight seal between the one at a higher temperature Remaining masonry and the part made of stones during the renovation that are only gradually heated up and therefore expand and grow in the usual way.
Diese Aufgabe wird gemäß der Erfindung in der Wei- b5 se gelöst, daß ein senkrechter Schnitt durch die Läuferwand am inneren Ende des innersten der neu aufzumauemden Heizzüge geführt wird, worauf das davor liegende Mauerwerk niedergerissen wird. Der Anschluß des neu aufgeführten Teiles der Läuferwand an dem verbliebenen Teil erfolgt durch Läufersteine, die mit einer Nase auf der Heizzugseite über den stehengebliebenen Läuferstein fassen; die zwischen alten und neuen Läufersteinen liegende, an der Nase endende Fuge kann dabei von innen nach außen verengt sein, am das Herausfallen von Mörtel während des Aufheizvorganges auszuschließen.This object is achieved according to the invention in the white b5 se solved that a vertical cut through the runner wall at the inner end of the innermost of the new walled up Heating flues is led, whereupon the masonry in front of it is torn down. The connection of the newly listed part of the runner wall on the remaining part is made with runner stones with a Grasp the nose on the heating cable side over the remaining runner stone; the one between old and new runner stones The joint that ends at the nose can be narrowed from the inside to the outside due to the fact that it falls out to be excluded from mortar during the heating process.
Bei bekannten Reparaturverfahren hat man an der Grenzfläche zwischen stehengebliebenem und zu erneuerndem Mauerwerk Läufersteine, die sich überlappen, aus dem Verband gelöst, wobei sich eine Verzahnungsfuge ergab. Der Anschluß des neuen Mauerwerks muß dem Umstand Rechnung tragen, daß dieses erst allmäh'ich auf die Ofentemperatur kommt und dabei in üblicher Weise sich dehnt Das zwang bei dem früheren Verfahren dazu, das neue Mauerwerk abschnittsweise anzusetzen und auch abschnittsweise anzuwärmen. Bei dem aus der US-PS 24 76 305 bekannten Reparaturverfahren, bei dem ebenfalls unter Bildung einer Verzahnungsfuge längs einer senkrechten Ebene die reparaturbedürftigen Steine herausgenommen und durch neue, in gleicher Weise ausgebildete Steine ersetzt werden, ist vorgesehen, einen in besonderer Weise zusammengesetzten Zement zu verwenden, der kompressibel ist und die Ausdehnung der Silikasteine beim Erwärmen des neuen Mauerwerkes auffangen soll.In known repair methods, one has at the interface between what is left standing and what is to be renewed Masonry running stones, which overlap, detached from the bond, creating a toothed joint revealed. The connection of the new masonry must take into account the fact that this is only gradually comes to the oven temperature and in the process stretches in the usual way Procedure for setting up the new masonry in sections and also warming it up in sections. at the repair process known from US Pat. No. 2,476,305, which also involves the formation of a toothed joint The stones in need of repair were removed along a vertical plane and replaced with new ones in stones formed in the same way are to be replaced, provision is made for one that is assembled in a special way To use cement that is compressible and the expansion of the silica stones when the to catch new masonry.
Demgegenüber kann bei der Herstellung eines senkrechten Schnittes das Aufmauern des neuen Mauerwerks in ganzer Länge ohne Unterbrechung erfolgen. Der gesamte, neu aufgeführte Teil der Wand kann in gleicher Zeit aufgeheizt werden, die Dehnungsvorgänge verlaufen ohne Komplikationen.In contrast, when making a vertical cut, the new masonry can be bricked up be carried out in full length without interruption. The entire, newly listed part of the wall can be in be heated up at the same time, the stretching processes proceed without complications.
Zur näheren Erläuterung der Arbeitsweise gemäß der Erfindung dienen die Abbildungen, von denenFor a more detailed explanation of the mode of operation according to the invention, the illustrations serve, of which
F i g. 1 einen waagerechten Schnitt durch eine Heizwand mit einem als Hammerkopf abgebildeten Binder beiderseits der Grenze zwischen erneuertem und stehengebliebenem Mauerwerk zeigt;F i g. 1 shows a horizontal section through a heating wall with a tie shown as a hammer head shows on both sides of the border between renewed and standing masonry;
F i g. 2 ist die Ansicht eines Teiles der Heizwand an dieser Stelle von der Ofenkammer aus gesehen,F i g. 2 is a view of part of the heating wall at this point seen from the furnace chamber;
Fig.3 ist ein waagerechter Schnitt entsprechend F i g. 1 bei einem anderen Steinverband,3 is a horizontal section corresponding to FIG. 1 for another stone dressing,
F i g. 4 ist eine Ansicht eines Teiles der Heizwand bei einem Steinverband gemäß F i g. 3,F i g. 4 is a view of part of the heating wall in a stone dressing according to FIG. 3,
Fig.5 stellt in größerem Maßstab als Ausschnitt aus Fi g. 1 die dort mit einer gestrichelten Linie umgebene Partie in der Nähe der Fuge zwischen altem und neuem Mauerwerk dar.Fig. 5 shows on a larger scale as a detail Fi g. 1 the one surrounded there with a dashed line The part near the joint between the old and new masonry.
Der Anschaulichkeit halber sind die in dem erneuerten Endteil der Wand eingebauten Steine mit einer leichten Schraffur versehen.For the sake of clarity, the stones built into the renewed end part of the wall are marked with a light hatching.
Der Wandverband gemäß F i g. I besteht aus den mit einem Hammerkopf in die Läuferwand eingreifenden Steinen 20, mit glatt an die Läuferwand anstoßenden Bindersteinen 21 und den vor der Mitte des Bindersteines 21 zusammenstoßenden Läufersteinen 22.The wall dressing according to FIG. I consists of those engaging the runner wall with a hammer head Stones 20, with binder stones 21 which abut smoothly against the runner wall and those in front of the middle of the binder stone 21 colliding runner stones 22.
In dem neu sufgemauerten Teil werden die gleichen Steinformen verwendet. Sie sind hier mit 20.7, 21a und 22a bezeichnet. Das den Heizzug 23 umgebende Mauerwerk bleibt stehen, die Wandungen um den Heizzug 24 und die weiter nach dem Ofenkopf zu liegenden Heiz/.üge werden abgerissen.In the newly walled part they will be the same Stone forms used. You are here with 7/20, 21a and 22a. The masonry surrounding the heating flue 23 remains, the walls around the heating flue 24 and the heating cables further after the furnace head are torn down.
In die benachbarte Ofenkammer wird etwa an der Stelle der die Heizzüge 23 und 24 trennenden Binderwand ein Spiegel 25 eingesetzt und auf diese Weise ein isolierender Abschluß geschaffen, Mit 26 ist die senk-In the adjacent furnace chamber, approximately at the point of the binder wall separating the heating flues 23 and 24 a mirror 25 is inserted and in this way an insulating conclusion is created.
rechte Trennebene angedeutet, die das stehenbleibende Mauerwerk begrenzt. Nachdem der Spiegel 25 errichtet und die Abkühlung soweit fortgeschritten ist, daß ein Arbeiten möglich ist, werden die beiden Läuferwände längs der Trennebene 26 durchgesägt, was nur bei den Läufersteinen 22 notwendig ist, während die Hammerkopfsteine 20 ohnehin hier eine Fuge bilden. Das Mauerwerk der Kopfbeizzüge wird nunmehr niedergerissen.right parting line indicated, the one that remains Masonry limited. After the mirror 25 is erected and cooling has progressed so far that a Work is possible, the two runner walls are sawed through along the parting plane 26, which is only possible with the Runner stones 22 is necessary, while the hammer head stones 20 form a joint here anyway. The masonry the head covers will now be torn down.
Bei dem zu erneuernden Teil der Heizwand werden die gleichen Steinformen verwendet Die Steine 29a, weiche .an die Trennebene 26 stoßen, erhalten eine in den Heizzug eingreifende nasenartige Verlängerung 27, mit der sie über den stehengebliebenen Teil der Läuferwand fassen. Die zwischen altem und neuem Mauerwerk bis an die Innenseite der Nase 27 reichende Fuge 28 — vgL insbesondere Fig.5 — ist keilförmig von außen nach innen erweitert. Infolge des engen Anliegens der Steine auf der nach der Ofenkammer zu liegenden Seite dieser Fuge wird verhütet, daß bei dem Wachsen der beiden Anschlußsteine 29a der in die Fuge gebrachte Mörtel herausfällt.The same stone shapes are used for the part of the heating wall to be renewed The stones 29a, soft. abut the parting plane 26, get a nose-like extension 27 engaging in the heating flue, with which they grasp the remaining part of the runner wall. The one between old and new masonry To the inside of the nose 27 reaching joint 28 - vgL in particular Fig.5 - is wedge-shaped from expanded outward inward. As a result of the tight fit of the stones on the one after the furnace chamber Side of this joint is prevented from being brought into the joint when the two connecting stones 29a grow Mortar falls out.
Der in ? i g. 3 und 4 dargestellte Steinverband besteht aus einem Binderkopfstein 30, der durch die Läuferwand hindurch faßt An ihn schließen sich beiderseits die Läufersteine 31 an. Der Anschlußbinder 32 stößt glatt vor die in der Fuge 33 aneinander stoßenden Läufersteinc 31. Für das zu erneuernde Mauerwerk werden die gleichen, dort mit 30a, 31a und 32a bezeichneten Steinformen verwendet.The in? i g. 3 and 4 shown stone association consists of a binder head stone 30, which through the runner wall grasps through it The runner stones 31 adjoin it on both sides. The connector 32 abuts smoothly in front of the runner blocks 31 abutting in the joint 33. For the masonry to be renewed, the same, there with 30a, 31a and 32a designated stone forms used.
A uch hier ist ein Spiegel 25 vorgesehen.A mirror 25 is also provided here.
Das Abtrennen des zu reparierenden Mauerwerks erfolgt hier durch Sägen in der Trennebene 34. Hier muß in allen Lagen einer der Steine 31 durchgesägt werden.The masonry to be repaired is separated here by sawing in the parting plane 34. Here must one of the stones 31 can be sawed through in all positions.
Beim Wiederaufmauern werden bei dem Anschluß des neuen Mauerwerks an das alte Steine 35a verwendet, an denen eine Nase 36 vorgesehen ist, die wieder auf der Innenseite über den stehengebliebenen Teil der Läufersteine faßt. Die Ausbildung der hier sich ergebenden Fuge 37 .rfolgt in der gleichen Weise wie die der Fuge 28 bei dem Verband gemäß F i g. 1 und 2, der in größerem Maßstab in F i g. 5 dargestellt istWhen rebuilding the new masonry to the old stones 35a are used, on which a nose 36 is provided, which again on the inside over the remaining part of the Runner stones holds. The formation of the resulting joint 37 .draces in the same way as that of the Joint 28 in the association according to FIG. 1 and 2, which is shown on a larger scale in FIG. 5 is shown
Durch die Erfindung gelingt es. sowohl beim Anheizen des reparierten Teiles der Heizwand als auch beim Wiederaufheizen sämtlicher Heizzüge einen gasdichten Abschluß in den Fugen 28 bzw. 37 zu sichern.The invention makes it possible. both when heating up the repaired part of the heating wall and when Reheating of all heating flues to ensure a gas-tight seal in the joints 28 and 37, respectively.
Hierzu 3 Blatt ZeichnungenFor this purpose 3 sheets of drawings
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Claims (2)
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2921171A DE2921171C2 (en) | 1979-05-25 | 1979-05-25 | Procedure for renovating the masonry of coking ovens |
| AU58165/80A AU531231B2 (en) | 1979-05-25 | 1980-05-07 | Renewing the brickwork of coke ovens |
| GB8015983A GB2050586B (en) | 1979-05-25 | 1980-05-14 | Method of renewing the brickwork of coke ovens |
| IT48685/80A IT1143177B (en) | 1979-05-25 | 1980-05-15 | PROCEDURE FOR THE RENEWAL OF THE MASONRY OF SMOKE DUCTS IN COKE OVENS |
| IN654/CAL/80A IN152680B (en) | 1979-05-25 | 1980-06-02 | |
| US06/153,144 US4373244A (en) | 1979-05-25 | 1980-10-28 | Method for renewing the brickwork of coke ovens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2921171A DE2921171C2 (en) | 1979-05-25 | 1979-05-25 | Procedure for renovating the masonry of coking ovens |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE2921171A1 DE2921171A1 (en) | 1980-12-11 |
| DE2921171C2 true DE2921171C2 (en) | 1986-04-03 |
Family
ID=6071650
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2921171A Expired DE2921171C2 (en) | 1979-05-25 | 1979-05-25 | Procedure for renovating the masonry of coking ovens |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US4373244A (en) |
| AU (1) | AU531231B2 (en) |
| DE (1) | DE2921171C2 (en) |
| GB (1) | GB2050586B (en) |
| IN (1) | IN152680B (en) |
| IT (1) | IT1143177B (en) |
Families Citing this family (46)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2523148B1 (en) * | 1982-03-10 | 1985-08-16 | Lyskawa Entreprise Sa | COKE OVEN BATTERY AND METHOD FOR THE REPAIR OF OLD BATTERIES |
| US5227106A (en) * | 1990-02-09 | 1993-07-13 | Tonawanda Coke Corporation | Process for making large size cast monolithic refractory repair modules suitable for use in a coke oven repair |
| US5228955A (en) * | 1992-05-22 | 1993-07-20 | Sun Coal Company | High strength coke oven wall having gas flues therein |
| US5597452A (en) * | 1992-09-24 | 1997-01-28 | Robert Bosch Gmbh | Method of restoring heating walls of coke oven battery |
| DE4231922A1 (en) * | 1992-09-24 | 1994-03-31 | Krupp Koppers Gmbh | Process for renewing the heating walls of a coke oven battery |
| EP1067167A3 (en) * | 1999-07-05 | 2003-02-05 | Kawasaki Steel Corporation | Method of repairing coke oven and apparatus for taking-in bricks for repair |
| US7998316B2 (en) | 2009-03-17 | 2011-08-16 | Suncoke Technology And Development Corp. | Flat push coke wet quenching apparatus and process |
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Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2476305A (en) * | 1945-10-09 | 1949-07-19 | Koppers Co Inc | Method of repairing coke-oven walls |
| US4059885A (en) * | 1975-03-19 | 1977-11-29 | Dr. C. Otto & Comp. G.M.B.H. | Process for partial restoration of a coke oven battery |
-
1979
- 1979-05-25 DE DE2921171A patent/DE2921171C2/en not_active Expired
-
1980
- 1980-05-07 AU AU58165/80A patent/AU531231B2/en not_active Ceased
- 1980-05-14 GB GB8015983A patent/GB2050586B/en not_active Expired
- 1980-05-15 IT IT48685/80A patent/IT1143177B/en active
- 1980-06-02 IN IN654/CAL/80A patent/IN152680B/en unknown
- 1980-10-28 US US06/153,144 patent/US4373244A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| IT1143177B (en) | 1986-10-22 |
| US4373244A (en) | 1983-02-15 |
| AU531231B2 (en) | 1983-08-18 |
| DE2921171A1 (en) | 1980-12-11 |
| GB2050586B (en) | 1983-04-07 |
| IN152680B (en) | 1984-03-10 |
| IT8048685A0 (en) | 1980-05-15 |
| AU5816580A (en) | 1980-11-27 |
| GB2050586A (en) | 1981-01-07 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8110 | Request for examination paragraph 44 | ||
| D2 | Grant after examination | ||
| 8363 | Opposition against the patent | ||
| 8330 | Complete renunciation |